1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-remove-src.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-remove-src.html
new file mode 100644
index 0000000000..4d78871823
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-remove-src.html
@@ -0,0 +1,22 @@
+<!doctype html>
+<title>invoking resource selection by setting src; await stable state</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+var v;
+var t = async_test(function(t) {
+  v = document.createElement('video');
+  v.onloadstart = t.step_func(function() { assert_unreached(); });
+  v.setAttribute('src', ''); // runs resource selection algorithm, but it will wait running the sync section until this script has finished
+  assert_equals(v.networkState, v.NETWORK_NO_SOURCE);
+  v.removeAttribute('src'); // will make resource selection algorithm revert to NETWORK_EMPTY and abort (in the sync section)
+  assert_equals(v.networkState, v.NETWORK_NO_SOURCE);
+  window.onload = t.step_func(function() { t.done(); });
+});
+</script>
+<script>
+t.step(function() {
+  assert_equals(v.networkState, v.NETWORK_EMPTY);
+});
+</script>